import { AfterContentInit, ElementRef, EventEmitter, OnChanges, OnDestroy, OnInit, QueryList, SimpleChanges } from '@angular/core';
import { NzUpdateHostClassService } from '../core/services/update-host-class.service';
import { NzDirectionVHIType } from '../core/types/direction';
import { NzMenuDropdownService } from '../dropdown/nz-menu-dropdown.service';
import { NzMenuItemDirective } from './nz-menu-item.directive';
import { NzMenuMenuService } from './nz-menu-menu.service';
import { NzMenuService } from './nz-menu.service';
import { NzSubMenuComponent } from './nz-submenu.component';
export declare function NzMenuFactory(dropService: NzMenuDropdownService, menuService: NzMenuMenuService): NzMenuService;
export declare class NzMenuDirective implements AfterContentInit, OnInit, OnChanges, OnDestroy {
    elementRef: ElementRef;
    private nzMenuService;
    private nzUpdateHostClassService;
    private destroy$;
    private cacheMode;
    private listOfOpenedNzSubMenuComponent;
    listOfNzMenuItemDirective: QueryList<NzMenuItemDirective>;
    listOfNzSubMenuComponent: QueryList<NzSubMenuComponent>;
    nzInlineIndent: number;
    nzTheme: 'light' | 'dark';
    nzMode: NzDirectionVHIType;
    nzInDropDown: boolean;
    nzInlineCollapsed: boolean;
    nzSelectable: boolean;
    readonly nzClick: EventEmitter<NzMenuItemDirective>;
    updateInlineCollapse(): void;
    setClassMap(): void;
    constructor(elementRef: ElementRef, nzMenuService: NzMenuService, nzUpdateHostClassService: NzUpdateHostClassService);
    ngOnInit(): void;
    ngAfterContentInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
}